Yamaha Yz250f vs Suzuki Rm-z 450 — which has more power?

Yamaha Yz250f produces ~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less); Suzuki Rm-z 450 produces ~56 hp @ 9,500 rpm (estimated for modern 2018+ spec). Suzuki Rm-z 450 wins by 16 hp.

Yamaha Yz250f vs Suzuki Rm-z 450 — which is faster?

Top speed: Yamaha Yz250f ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer), Suzuki Rm-z 450 ~145 km/h (estimated; dependent on gearing and terrain).

Yamaha Yz250f vs Suzuki Rm-z 450 — which is lighter?

Weight: Yamaha Yz250f ~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier), Suzuki Rm-z 450 110 kg (wet/curb weight). Yamaha Yz250f is lighter by 5 kg.

Yamaha Yz250f vs Suzuki Rm-z 450 — which is more fuel-efficient?

Fuel use: Yamaha Yz250f ~5.5 L/100km / ~18 km/L (estimated; varies significantly with riding intensity — note: off-road/motocross use makes precise figures difficult to pin down), Suzuki Rm-z 450 ~5.5 L/100km (estimated; highly variable under race/off-road conditions). Real-world economy varies by rider weight, traffic, and how hard the throttle gets twisted.

Yamaha Yz250f vs Suzuki Rm-z 450 — which is more reliable?

Motoryk rates Yamaha Yz250f 8.5/10 and Suzuki Rm-z 450 7.8/10. Yamaha Yz250f scores higher on the overall verdict. Yamaha Yz250f caveat: You want a mystery-history bargain basement deal. Suzuki Rm-z 450 caveat: You skip scheduled maintenance or ride infrequently.

Yamaha Yz250f vs Suzuki Rm-z 450 — which is better for beginners?

Yamaha Yz250f is the friendlier choice for a first bike — 40 hp is manageable. The Suzuki Rm-z 450 is better held for a second bike.

Yamaha Yz250f vs Suzuki Rm-z 450 — which should I commute on daily?

Both can commute, but lighter weight and gentler power win in traffic. Yamaha Yz250f: 105 kg, 40 hp. Suzuki Rm-z 450: 110 kg, 56 hp.

Yamaha Yz250f vs Suzuki Rm-z 450

Side-by-side comparison for used motorcycle buyers

Yamaha Yz250f vs Suzuki Rm-z 450. Yamaha Yz250f: ~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less) hp, ~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier) weight, top speed ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer), Motoryk rating 8.5/10. Suzuki Rm-z 450: ~56 hp @ 9,500 rpm (estimated for modern 2018+ spec) hp, 110 kg (wet/curb weight) weight, top speed ~145 km/h (estimated; dependent on gearing and terrain), Motoryk rating 7.8/10.

Yamaha Yz250f

Suzuki Rm-z 450

Performance at a Glance

Green = winner per metric · Bars are relative to the higher value

Yamaha Yz250f Suzuki Rm-z 450

Horsepower (hp)

40 hp

56 hp

Torque (Nm)

26 Nm

51 Nm

Top Speed (km/h)

145 km/h

Weight (kg) — lower is better

105 kg

110 kg

Type

Motocross

Horsepower

~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less)

~56 hp @ 9,500 rpm (estimated for modern 2018+ spec)

Torque

~26 Nm @ 10,000 rpm (estimated)

~51 Nm @ 7,500 rpm (estimated)

Top Speed

~145 km/h (estimated; not designed for top speed — purpose-built motocross racer)

~145 km/h (estimated; dependent on gearing and terrain)

Weight

~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier)

110 kg (wet/curb weight)

Fuel

~5.5 L/100km / ~18 km/L (estimated; varies significantly with riding intensity — note: off-road/motocross use makes precise figures difficult to pin down)

~5.5 L/100km (estimated; highly variable under race/off-road conditions)

Fairing